common (adj)

"Smith" is a very common name in Britain.
The blue jeans and white T-shirt combination is a common style that you can find in many places around the world.
English has become a common language of business, facilitating communication between people from diverse linguistic backgrounds.
Fast food restaurants are common sights in urban areas, providing a quick and convenient dining option for many people.
The common practice of shaking hands is a universal gesture of greeting in many cultures.